Budesonide (Standard) is the standard substance of Budesonide, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Budesonide (Pulmicort), an anti-inflammatory corticosteroid, has shown the effective glucocorticoid activitie and few mineralocorticoid activities. According to reports, Budesonide has extensively inhibitory effects against multiple cells types and mediators referred to allergic and nonallergic-mediated inflammatory. What's more, the anti-inflammatory action of budesonide has been revealed to contribute to the effectiveness of asthma.